請(qǐng)充值后下載本設(shè)計(jì),,資源目錄下的文件,都可以點(diǎn)開(kāi)預(yù)覽到,,資料完整,充值下載就能得到。。?!咀ⅰ浚篸wg后綴為CAD圖,doc,docx為WORD文檔,有不明白之處,可咨詢QQ:1304139763
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摘 要 液壓缸是實(shí)現(xiàn)液壓能轉(zhuǎn)變成機(jī)械能的裝置 它是用來(lái)做擺動(dòng)運(yùn) 動(dòng) 或直線往復(fù)運(yùn)動(dòng) 的執(zhí)行元件 擁有比較簡(jiǎn)單的結(jié)構(gòu)并且工作 可靠 完成擺動(dòng)運(yùn)動(dòng)時(shí) 無(wú)傳動(dòng)間隙且可以避免減速裝置的影響 使其平穩(wěn)運(yùn)動(dòng) 現(xiàn)今在各機(jī)械的液壓領(lǐng)域 都得到了廣泛的實(shí)踐應(yīng) 用 液力與液壓傳動(dòng)的工作介質(zhì)都是液體 用此方式來(lái)進(jìn)行能量的 傳遞 液力傳動(dòng)是將機(jī)械能轉(zhuǎn)變成液體動(dòng)能 再將液體動(dòng)能轉(zhuǎn)變?yōu)?機(jī)械能的裝置 可以把能量進(jìn)行傳遞 也是液體傳遞的一種分支 它的組成主要是幾個(gè)葉輪的非剛性連接 而液壓傳動(dòng)不同 它的傳 遞方式是通過(guò)工作介質(zhì)來(lái)進(jìn)行控制與傳遞能量 它們均為流體傳動(dòng) 目前在各個(gè)領(lǐng)域已得到廣泛認(rèn)可和采用 本次設(shè)計(jì)主要是對(duì)液壓缸系統(tǒng)的設(shè)計(jì)方法來(lái)進(jìn)行系統(tǒng)的研究 通過(guò)對(duì)液壓缸建立 CAD 原型得出了以下研究成果 1 在分析液壓缸 的基本工作原理上 總結(jié)它的主要安裝以及工作形式 2 做出其裝 配圖 通過(guò)了解裝配圖的特征 來(lái)建立模型 3 結(jié)合液壓缸的裝配 CAD 系統(tǒng)模型 來(lái)開(kāi)發(fā)其系統(tǒng) CAD 軟件原型系統(tǒng) 4 通過(guò)計(jì)算的方 法來(lái)選擇需要的液壓元件 5 最終對(duì)所設(shè)計(jì)的系統(tǒng)進(jìn)行檢驗(yàn) 6 繪 制最終正式的系統(tǒng)圖與文件 關(guān)鍵詞 液壓缸 液壓傳動(dòng) 液力傳動(dòng) Abstract Hydraulic cylinder is a simple and reliable device that performs linear reciprocating motions and converts hydraulic energy to mechanical energy When hydraulic cylinder works Reduction gear can be avoided and there is no rotational clearance Due to its reliable property Hydraulic cylinder are widely applied in the mechanical hydraulic system Hydraulic cylinder output force is proportional to the effective area of piston and the pressure difference Hydraulic cylinder is primarily composed of cylinder cylinder head piston piston rod sealing device buffer device and exhaust buffer device and exhaust are applied on a case by case basis while other equipment are usually necessary Hydraulic transmission and hydraulic transmission both employ working liquids for energy conversion Hydraulic transmission is in fact a branch of liquid drive and consists of a non rigid connection drive device made up of several impellors This device converts mechanical energy to the kinetic energy of the working liquid and then converts to mechanical energy again for energy transportation hydraulic transmission employs working liquid to convert energy and perform control Hydraulic transmission and pneumatic drive are named fluid drive which is a new technology based on hydrostatic pressure transmission principle introduced by Pascal in the 1600 Therefore they have been widely used a wide array of fields This work performs systematic research into the hydraulic cylinder parametric design method to establish hydraulic cylinder CAD prototype software system The major results are 1 Analyzed the working conditions of hydraulic system and generalized the working and installing methods of hydraulic cylinder based on the analysis results 2 Drafted the schematic of the hydraulic system and developed a feature based product model for hydraulic cylinder We studied the modeling methods for the database of standard parts suitable for parametric designs of hydraulic cylinder and developed a database model for the hydraulic cylinder 3 Constructed a parametric CAD model and a prototype system for hydraulic cylinder 4 Calculated hydraulic system and selected hydraulic element 5 Validated the hydraulic system 6 Draw official graphs and compiled technology files Key words Hydraulic cylinder hydraulic transmission hydraulic transmission 沈陽(yáng)化工大學(xué)科亞學(xué)院學(xué)士學(xué)位論文 引言 2 目 錄 引言 1 第一章液壓傳動(dòng)的概述 2 1 1 簡(jiǎn)介 2 1 2 應(yīng)用領(lǐng)域 2 1 3 傳動(dòng)原理 2 1 4 主要組成 3 1 4 1 動(dòng)力元件 油泵 3 1 4 2 執(zhí)行元件 油缸 液壓馬達(dá) 3 1 4 3 控制元件 3 1 4 4 輔助元件 3 1 4 5 工作介質(zhì) 3 1 5 表達(dá)符號(hào) 4 1 6 現(xiàn)狀及其展望 4 第二章液壓缸的結(jié)構(gòu) 6 2 1 液壓缸連接方式 6 2 1 1 法蘭型液壓缸 6 2 1 1 螺紋蓋型液壓缸 6 2 1 3 拉桿型液壓缸 6 2 1 4 液壓缸安裝方式 7 沈陽(yáng)化工大學(xué)科亞學(xué)院學(xué)士學(xué)位論文 引言 3 2 2 特殊液壓缸 9 2 2 1 特殊工質(zhì)液壓缸 9 2 2 2 多級(jí)液壓缸 9 2 2 3 組合液壓缸 10 2 2 4 電液伺服液壓缸 10 2 2 5 特殊結(jié)構(gòu)液壓缸 11 第三章液壓缸的主要參數(shù)計(jì)算 13 3 1 液壓缸種類 13 3 2 計(jì)算主要參數(shù) 13 3 2 1 液壓缸公稱壓力 13 3 2 2 液壓缸尺寸與面積比 13 3 2 3 活塞的理論推拉力 15 3 2 4 液壓缸效率 t 17 3 2 5 液壓缸負(fù)載率 18 3 2 6 活塞瞬間線速度 18v 3 2 7 活塞的作用力 F 20 3 2 8 活塞加速度 a 21 3 2 9 活塞加 減 速時(shí)間 ta td 21 3 2 10 活塞加 減 速行程 Sa Sd 22 3 2 11 液壓缸流量 22 3 2 12 液壓缸功率 P 23 第四章液壓缸主要零部件設(shè)計(jì) 24 沈陽(yáng)化工大學(xué)科亞學(xué)院學(xué)士學(xué)位論文 引言 4 4 1 缸筒的設(shè)計(jì)計(jì)算 24 4 1 1 主要技術(shù)要求 24 4 1 2 缸筒結(jié)構(gòu) 24 4 1 3 缸筒計(jì)算 26 4 1 4 缸筒厚度計(jì)算 28 4 1 5 缸筒厚度驗(yàn)算 29 4 1 6 缸筒底部厚度計(jì)算 29 4 1 7 缸筒焊接連接計(jì)算 29 4 1 8 缸筒材料 31 4 1 9 缸筒內(nèi)壁表面加工公差和粗糙度 ISO4394 31 4 2 導(dǎo)向環(huán)的設(shè)計(jì)計(jì)算 32 4 2 1 導(dǎo)向環(huán)主要優(yōu)點(diǎn) 32 4 2 2 導(dǎo)向環(huán)的型式 32 4 2 3 導(dǎo)向環(huán)的尺寸不同 34 4 3 活塞桿導(dǎo)向套 34 4 4 中隔圈的設(shè)計(jì)計(jì)算 限位圈 35 4 5 輔件 36 結(jié)論 42 參考文獻(xiàn) 43 致謝 44